King Charles and Queen Camilla are wishing Kate Middleton a happy birthday! See the royal couple's tribute as the Princess of Wales turns 43.

Prince William praised the strength of the Princess of Wales after a turbulent year, offering a 43rd birthday wish on social media that described her as an incredible wife and mother.

Kate, the Princess of Wales, turns 43 on Thursday, capping what was a tumultuous year for the mother of three and wife of Prince William. Kate, who was born Jan. 9, 1982, is expected to spend her birthday privately with William and their kids -- Princes George and Louis and Princess Charlotte -- at home in Windsor, England.

The personal message from the Prince of Wales was accompanied with a previously unseen picture of Catherine.

On Jan. 9, Kate Middleton celebrated her 43rd birthday. Her husband, Prince William, publicly acknowledged the special day on Instagram. Alongside a new black and white photo of the princess wearing a white blouse, a black overcoat, jeans, and a checkered scarf, William wrote, “To the most incredible wife and mother.”

Princess Kate is celebrating her 43rd birthday. Her husband, Prince William, honored the "most incredible wife and mother" in a new post.

Prince William is honoring his wife, Princess Catherine, on her 43rd birthday, calling her "the most incredible wife and mother."

Kate Middleton is feeling the love on her birthday as she celebrates with her family. The Princess of Wales, who turns 43 on Jan. 9, is spending the day at home with Prince William and their children Prince George,

See how King Charles celebrated his beloved daughter-in-law the Princess of Wales' 43rd birthday on Jan. 9, 2025.